:root{--paper: #f5f2ea;--paper2: #ebe7dc;--ink: #181816;--dim: #77736a;--line: #d9d4c6;--red: #d8372c;--blue: #2b55a3;--yellow: #f2c230;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--paper)}#app{display:flex;flex-direction:column;height:100vh}button,input,select{font:inherit;color:inherit}button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 13px;cursor:pointer}button:hover{border-color:var(--ink)}button.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}button.primary:hover{background:var(--red);border-color:var(--red)}button:disabled{opacity:.5;cursor:wait}.dim{color:var(--dim);font-size:12px}.spacer{flex:1}.top{display:flex;align-items:center;gap:14px;padding:10px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:8px;font-size:17px;letter-spacing:.01em}.brand b{font-weight:700}.mark{width:22px;height:22px;position:relative;display:inline-block}.mark:before{content:"";position:absolute;left:0;top:11px;width:22px;height:1.5px;background:var(--ink)}.mark:after{content:"";position:absolute;left:1px;top:12px;width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:12px -3px 0 -1px var(--blue)}.seedbox{display:flex;align-items:center;gap:6px}.seedbox label{font-size:12px;color:var(--dim);text-transform:uppercase;letter-spacing:.08em}.seedbox input{width:150px;padding:5px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;font-family:ui-monospace,Menlo,monospace}.badge{font-size:11px;padding:2px 8px;border-radius:99px;background:var(--paper2);color:var(--dim)}.badge.fixture{background:#fbe3a0;color:#6b4a00}.body{flex:1;display:flex;min-height:0}aside{width:272px;flex:none;overflow-y:auto;border-right:1px solid var(--line);padding:8px 14px 24px;background:#f8f6f0}aside details{border-bottom:1px solid var(--line);padding:8px 0}aside summary{cursor:pointer;font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--dim);font-weight:600;list-style:none}aside summary:before{content:"▸ "}aside details[open] summary:before{content:"▾ "}.field{margin:10px 0 4px}.field label{display:flex;justify-content:space-between;font-size:13px;gap:8px}.field .val{color:var(--dim);font-variant-numeric:tabular-nums}.field input[type=range]{width:100%;accent-color:var(--ink);margin:3px 0 0}.field select,.field input[type=text],.field input[type=number]{width:100%;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:#fff;margin-top:3px}.field .help{font-size:11px;color:var(--dim);margin-top:2px}.params-foot{margin-top:14px;display:flex;gap:8px}main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}.tab{display:none;flex:1;min-height:0;position:relative}.tab.active{display:block}.tab.scroll{overflow:auto;padding:18px 22px}#view{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--paper)}#view canvas{display:block}.hud{position:absolute;left:14px;bottom:12px;background:#faf8f2e0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:12px;padding:9px 12px;font-size:12px;max-width:calc(100% - 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